<template>
  
<el-container class="home_container">
    <!-- //头部区域 -->
  <el-header>
      <div>
          <img src="../assets/heima.png" alt="">
          <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出
        
      </el-button>
  </el-header>
  <!-- //页面主体区域 -->
  <el-container>
      <!-- //侧边栏 -->
    <el-aside :width="isCollapse? '64px': '200px'">
        <div class="toggle_button" @click="toggleCollapse">|||</div>
        <!-- //侧边栏菜单区域 -->
        <el-menu background-color="#333744"
      text-color="#fff"
      active-text-color="#409eff" unique-opened :collapse="isCollapse" :collapse-transition="false" :default-active="activePath" router>
      <!-- 一级菜单 -->
      <el-submenu :index="item.id + ''" v-for="item in menulist" :key="item.id">
          <!-- 一级菜单的模板区 -->
        <template slot="title">
            <!-- 图标 -->
          <i :class="iconsObj[item.id]"></i>
          <!-- 文本 -->
          <span>{{item.authName}}</span>
        </template>
        <!-- 二级菜单 -->
          <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/'+subItem.path)">
               <template slot="title">
            <!-- 图标 -->
          <i class="el-icon-menu"></i>
          <!-- 文本 -->
          <span>{{subItem.authName}}</span>
        </template>
          </el-menu-item>
       
      </el-submenu>
     
    </el-menu>
    </el-aside>
    <!-- //右侧内容主体 -->
    <el-main>
        <router-view></router-view>
    </el-main>
</el-container>
</el-container>
</template>
<script>
import { log } from 'util';
export default {
    data(){
        return{
    menulist: [],
    iconsObj:{
        '125':'iconfont icon-users',
        '103':'iconfont icon-tijikongjian',
        '101':'iconfont icon-shangpin',
        '102':'iconfont icon-danju',
        '145':'iconfont icon-baobiao',
    },
    isCollapse: false,
    //被激活的链接地址
    activePath:'',
        }
    },
    created(){
        this.getMenuList()
        this.activePath=window.sessionStorage.getItem('activePath')
    },
    methods:{
        logout(){
            window.sessionStorage.clear()
            this.$router.push('/login')
        },
        //获取所有的菜单
       async getMenuList(){
           const {data: res} =await this.$http.get('menus')
           if(res.meta.status!==200) return this.$message.error(res.meta.msg)
           this.menulist=res.data
        //    console.log(res);
           
        },
        toggleCollapse(){
            this.isCollapse=!this.isCollapse
        },
        saveNavState(activePath){
            window.sessionStorage.setItem('activePath',activePath)
            this.activePath=activePath
        }
    }
    
}
</script>
<style lang="less" scoped>
.el-header{
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    padding-left: 0;
    align-items: center;
    color: #fff;
    font-size: 20px;
    > div{
        display: flex;
        align-items: center;
        span{
            margin-left: 15px
        }
    }
}
.el-aside{
    background-color: #333744;
    .el-menu{
        border-right:none;
    }
}
.el-main{
    background-color: #eaedf1
}
.home_container{
    width: 100%;
    height: 100%;
}
.iconfont{
    margin-right: 10px;
}
.toggle_button{
    background-color: #4a5064;
    font-size: 10px;
    line-height: 24px;
    text-align: center;
    letter-spacing: 0.2em;
    cursor: pointer;

}
</style>